https://www.graalvm.org/ 
public final class com.oracle.truffle.api.TruffleContext implements java.lang.AutoCloseable
  minor version: 0
  major version: 59
  flags: flags: (0x0031) ACC_PUBLIC, ACC_FINAL, ACC_SUPER
  this_class: com.oracle.truffle.api.TruffleContext
  super_class: java.lang.Object
{
  static final com.oracle.truffle.api.TruffleContext EMPTY;
    descriptor: Lcom/oracle/truffle/api/TruffleContext;
    flags: (0x0018) ACC_STATIC, ACC_FINAL

  private static final java.lang.ThreadLocal<java.util.List<java.lang.Object>> CONTEXT_ASSERT_STACK;
    descriptor: Ljava/lang/ThreadLocal;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    Signature: Ljava/lang/ThreadLocal<Ljava/util/List<Ljava/lang/Object;>;>;

  final java.lang.Object polyglotContext;
    descriptor: Ljava/lang/Object;
    flags: (0x0010) ACC_FINAL

  final boolean closeable;
    descriptor: Z
    flags: (0x0010) ACC_FINAL

  static final boolean $assertionsDisabled;
    descriptor: Z
    flags: (0x1018) ACC_STATIC, ACC_FINAL, ACC_SYNTHETIC

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=2, locals=1, args_size=0
         0: .line 79
            ldc Lcom/oracle/truffle/api/TruffleContext;
            invokevirtual java.lang.Class.desiredAssertionStatus:()Z
            ifne 1
            iconst_1
            goto 2
      StackMap locals:
      StackMap stack:
         1: iconst_0
      StackMap locals:
      StackMap stack: int
         2: putstatic com.oracle.truffle.api.TruffleContext.$assertionsDisabled:Z
         3: .line 81
            new com.oracle.truffle.api.TruffleContext
            dup
            invokespecial com.oracle.truffle.api.TruffleContext.<init>:()V
            putstatic com.oracle.truffle.api.TruffleContext.EMPTY:Lcom/oracle/truffle/api/TruffleContext;
         4: .line 86
            iconst_0
            istore 0 /* assertions */
        start local 0 // boolean assertions
         5: .line 87
            getstatic com.oracle.truffle.api.TruffleContext.$assertionsDisabled:Z
            ifne 6
            iconst_1
            dup
            istore 0 /* assertions */
            ifne 6
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
         6: .line 88
      StackMap locals: int
      StackMap stack:
            iload 0 /* assertions */
            ifeq 8
            new com.oracle.truffle.api.TruffleContext$1
            dup
            invokespecial com.oracle.truffle.api.TruffleContext$1.<init>:()V
         7: .line 93
            goto 9
      StackMap locals:
      StackMap stack:
         8: aconst_null
         9: .line 88
      StackMap locals:
      StackMap stack: com.oracle.truffle.api.TruffleContext$1
            putstatic com.oracle.truffle.api.TruffleContext.CONTEXT_ASSERT_STACK:Ljava/lang/ThreadLocal;
        end local 0 // boolean assertions
        10: .line 94
            return
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            5   10     0  assertions  Z

  void <init>(java.lang.Object, boolean);
    descriptor: (Ljava/lang/Object;Z)V
    flags: (0x0000) 
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // com.oracle.truffle.api.TruffleContext this
        start local 1 // java.lang.Object polyglotContext
        start local 2 // boolean closeable
         0: .line 98
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 99
            aload 0 /* this */
            aload 1 /* polyglotContext */
            putfield com.oracle.truffle.api.TruffleContext.polyglotContext:Ljava/lang/Object;
         2: .line 100
            aload 0 /* this */
            iload 2 /* closeable */
            putfield com.oracle.truffle.api.TruffleContext.closeable:Z
         3: .line 101
            return
        end local 2 // boolean closeable
        end local 1 // java.lang.Object polyglotContext
        end local 0 // com.oracle.truffle.api.TruffleContext this
      LocalVariableTable:
        Start  End  Slot             Name  Signature
            0    4     0             this  Lcom/oracle/truffle/api/TruffleContext;
            0    4     1  polyglotContext  Ljava/lang/Object;
            0    4     2        closeable  Z
    MethodParameters:
                 Name  Flags
      polyglotContext  
      closeable        

  private void <init>();
    descriptor: ()V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // com.oracle.truffle.api.TruffleContext this
         0: .line 106
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 107
            aload 0 /* this */
            aconst_null
            putfield com.oracle.truffle.api.TruffleContext.polyglotContext:Ljava/lang/Object;
         2: .line 108
            aload 0 /* this */
            iconst_0
            putfield com.oracle.truffle.api.TruffleContext.closeable:Z
         3: .line 109
            return
        end local 0 // com.oracle.truffle.api.TruffleContext this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lcom/oracle/truffle/api/TruffleContext;

  public boolean equals(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=2
        start local 0 // com.oracle.truffle.api.TruffleContext this
        start local 1 // java.lang.Object obj
         0: .line 119
            aload 1 /* obj */
            instanceof com.oracle.truffle.api.TruffleContext
            ifne 2
         1: .line 120
            iconst_0
            ireturn
         2: .line 122
      StackMap locals:
      StackMap stack:
            aload 1 /* obj */
            checkcast com.oracle.truffle.api.TruffleContext
            astore 2 /* c */
        start local 2 // com.oracle.truffle.api.TruffleContext c
         3: .line 123
            aload 0 /* this */
            getfield com.oracle.truffle.api.TruffleContext.polyglotContext:Ljava/lang/Object;
            aload 2 /* c */
            getfield com.oracle.truffle.api.TruffleContext.polyglotContext:Ljava/lang/Object;
            invokevirtual java.lang.Object.equals:(Ljava/lang/Object;)Z
            ireturn
        end local 2 // com.oracle.truffle.api.TruffleContext c
        end local 1 // java.lang.Object obj
        end local 0 // com.oracle.truffle.api.TruffleContext this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lcom/oracle/truffle/api/TruffleContext;
            0    4     1   obj  Ljava/lang/Object;
            3    4     2     c  Lcom/oracle/truffle/api/TruffleContext;
    RuntimeVisibleAnnotations: 
      com.oracle.truffle.api.CompilerDirectives$TruffleBoundary()
    MethodParameters:
      Name  Flags
      obj   

  public int hashCode();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.oracle.truffle.api.TruffleContext this
         0: .line 133
            aload 0 /* this */
            getfield com.oracle.truffle.api.TruffleContext.polyglotContext:Ljava/lang/Object;
            invokevirtual java.lang.Object.hashCode:()I
            ireturn
        end local 0 // com.oracle.truffle.api.TruffleContext this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/oracle/truffle/api/TruffleContext;

  public com.oracle.truffle.api.TruffleContext getParent();
    descriptor: ()Lcom/oracle/truffle/api/TruffleContext;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // com.oracle.truffle.api.TruffleContext this
         0: .line 145
            invokestatic com.oracle.truffle.api.LanguageAccessor.engineAccess:()Lcom/oracle/truffle/api/impl/Accessor$EngineSupport;
            aload 0 /* this */
            getfield com.oracle.truffle.api.TruffleContext.polyglotContext:Ljava/lang/Object;
            invokevirtual com.oracle.truffle.api.impl.Accessor$EngineSupport.getParentContext:(Ljava/lang/Object;)Lcom/oracle/truffle/api/TruffleContext;
         1: areturn
         2: .line 146
      StackMap locals:
      StackMap stack: java.lang.Throwable
            astore 1 /* t */
        start local 1 // java.lang.Throwable t
         3: .line 147
            aload 1 /* t */
            invokestatic com.oracle.truffle.api.TruffleLanguage$Env.engineToLanguageException:(Ljava/lang/Throwable;)Ljava/lang/RuntimeException;
            athrow
        end local 1 // java.lang.Throwable t
        end local 0 // com.oracle.truffle.api.TruffleContext this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lcom/oracle/truffle/api/TruffleContext;
            3    4     1     t  Ljava/lang/Throwable;
      Exception table:
        from    to  target  type
           0     1       2  Class java.lang.Throwable
    RuntimeVisibleAnnotations: 
      com.oracle.truffle.api.CompilerDirectives$TruffleBoundary()

  public java.lang.Object enter();
    descriptor: ()Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // com.oracle.truffle.api.TruffleContext this
         0: .line 157
            aload 0 /* this */
            aconst_null
            invokevirtual com.oracle.truffle.api.TruffleContext.enter:(Lcom/oracle/truffle/api/nodes/Node;)Ljava/lang/Object;
            areturn
        end local 0 // com.oracle.truffle.api.TruffleContext this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/oracle/truffle/api/TruffleContext;
    RuntimeVisibleAnnotations: 
      java.lang.Deprecated()

  public java.lang.Object enter(com.oracle.truffle.api.nodes.Node);
    descriptor: (Lcom/oracle/truffle/api/nodes/Node;)Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=2
        start local 0 // com.oracle.truffle.api.TruffleContext this
        start local 1 // com.oracle.truffle.api.nodes.Node node
         0: .line 187
            aload 1 /* node */
            invokestatic com.oracle.truffle.api.CompilerAsserts.partialEvaluationConstant:(Ljava/lang/Object;)V
         1: .line 188
            invokestatic com.oracle.truffle.api.LanguageAccessor.engineAccess:()Lcom/oracle/truffle/api/impl/Accessor$EngineSupport;
            aload 1 /* node */
            aload 0 /* this */
            getfield com.oracle.truffle.api.TruffleContext.polyglotContext:Ljava/lang/Object;
            invokevirtual com.oracle.truffle.api.impl.Accessor$EngineSupport.enterInternalContext:(Lcom/oracle/truffle/api/nodes/Node;Ljava/lang/Object;)Ljava/lang/Object;
            astore 2 /* prev */
        start local 2 // java.lang.Object prev
         2: .line 189
            getstatic com.oracle.truffle.api.TruffleContext.CONTEXT_ASSERT_STACK:Ljava/lang/ThreadLocal;
            ifnull 4
         3: .line 190
            aload 2 /* prev */
            invokestatic com.oracle.truffle.api.TruffleContext.verifyEnter:(Ljava/lang/Object;)V
         4: .line 192
      StackMap locals: java.lang.Object
      StackMap stack:
            aload 2 /* prev */
         5: areturn
        end local 2 // java.lang.Object prev
         6: .line 193
      StackMap locals: com.oracle.truffle.api.TruffleContext com.oracle.truffle.api.nodes.Node
      StackMap stack: java.lang.Throwable
            astore 2 /* t */
        start local 2 // java.lang.Throwable t
         7: .line 194
            aload 2 /* t */
            invokestatic com.oracle.truffle.api.TruffleLanguage$Env.engineToLanguageException:(Ljava/lang/Throwable;)Ljava/lang/RuntimeException;
            athrow
        end local 2 // java.lang.Throwable t
        end local 1 // com.oracle.truffle.api.nodes.Node node
        end local 0 // com.oracle.truffle.api.TruffleContext this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    8     0  this  Lcom/oracle/truffle/api/TruffleContext;
            0    8     1  node  Lcom/oracle/truffle/api/nodes/Node;
            2    6     2  prev  Ljava/lang/Object;
            7    8     2     t  Ljava/lang/Throwable;
      Exception table:
        from    to  target  type
           0     5       6  Class java.lang.Throwable
    MethodParameters:
      Name  Flags
      node  

  public boolean isEntered();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // com.oracle.truffle.api.TruffleContext this
         0: .line 209
            invokestatic com.oracle.truffle.api.LanguageAccessor.engineAccess:()Lcom/oracle/truffle/api/impl/Accessor$EngineSupport;
            aload 0 /* this */
            getfield com.oracle.truffle.api.TruffleContext.polyglotContext:Ljava/lang/Object;
            invokevirtual com.oracle.truffle.api.impl.Accessor$EngineSupport.isContextEntered:(Ljava/lang/Object;)Z
         1: ireturn
         2: .line 210
      StackMap locals:
      StackMap stack: java.lang.Throwable
            astore 1 /* t */
        start local 1 // java.lang.Throwable t
         3: .line 211
            aload 1 /* t */
            invokestatic com.oracle.truffle.api.TruffleLanguage$Env.engineToLanguageException:(Ljava/lang/Throwable;)Ljava/lang/RuntimeException;
            athrow
        end local 1 // java.lang.Throwable t
        end local 0 // com.oracle.truffle.api.TruffleContext this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lcom/oracle/truffle/api/TruffleContext;
            3    4     1     t  Ljava/lang/Throwable;
      Exception table:
        from    to  target  type
           0     1       2  Class java.lang.Throwable

  public boolean isActive();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // com.oracle.truffle.api.TruffleContext this
         0: .line 227
            invokestatic com.oracle.truffle.api.LanguageAccessor.engineAccess:()Lcom/oracle/truffle/api/impl/Accessor$EngineSupport;
            aload 0 /* this */
            getfield com.oracle.truffle.api.TruffleContext.polyglotContext:Ljava/lang/Object;
            invokevirtual com.oracle.truffle.api.impl.Accessor$EngineSupport.isContextActive:(Ljava/lang/Object;)Z
         1: ireturn
         2: .line 228
      StackMap locals:
      StackMap stack: java.lang.Throwable
            astore 1 /* t */
        start local 1 // java.lang.Throwable t
         3: .line 229
            aload 1 /* t */
            invokestatic com.oracle.truffle.api.TruffleLanguage$Env.engineToLanguageException:(Ljava/lang/Throwable;)Ljava/lang/RuntimeException;
            athrow
        end local 1 // java.lang.Throwable t
        end local 0 // com.oracle.truffle.api.TruffleContext this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lcom/oracle/truffle/api/TruffleContext;
            3    4     1     t  Ljava/lang/Throwable;
      Exception table:
        from    to  target  type
           0     1       2  Class java.lang.Throwable

  public boolean isClosed();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // com.oracle.truffle.api.TruffleContext this
         0: .line 242
            invokestatic com.oracle.truffle.api.LanguageAccessor.engineAccess:()Lcom/oracle/truffle/api/impl/Accessor$EngineSupport;
            aload 0 /* this */
            getfield com.oracle.truffle.api.TruffleContext.polyglotContext:Ljava/lang/Object;
            invokevirtual com.oracle.truffle.api.impl.Accessor$EngineSupport.isContextClosed:(Ljava/lang/Object;)Z
         1: ireturn
         2: .line 243
      StackMap locals:
      StackMap stack: java.lang.Throwable
            astore 1 /* t */
        start local 1 // java.lang.Throwable t
         3: .line 244
            aload 1 /* t */
            invokestatic com.oracle.truffle.api.TruffleLanguage$Env.engineToLanguageException:(Ljava/lang/Throwable;)Ljava/lang/RuntimeException;
            athrow
        end local 1 // java.lang.Throwable t
        end local 0 // com.oracle.truffle.api.TruffleContext this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lcom/oracle/truffle/api/TruffleContext;
            3    4     1     t  Ljava/lang/Throwable;
      Exception table:
        from    to  target  type
           0     1       2  Class java.lang.Throwable
    RuntimeVisibleAnnotations: 
      com.oracle.truffle.api.CompilerDirectives$TruffleBoundary()

  public void leave(java.lang.Object);
    descriptor: (Ljava/lang/Object;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // com.oracle.truffle.api.TruffleContext this
        start local 1 // java.lang.Object prev
         0: .line 255
            aload 0 /* this */
            aconst_null
            aload 1 /* prev */
            invokevirtual com.oracle.truffle.api.TruffleContext.leave:(Lcom/oracle/truffle/api/nodes/Node;Ljava/lang/Object;)V
         1: .line 256
            return
        end local 1 // java.lang.Object prev
        end local 0 // com.oracle.truffle.api.TruffleContext this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lcom/oracle/truffle/api/TruffleContext;
            0    2     1  prev  Ljava/lang/Object;
    RuntimeVisibleAnnotations: 
      java.lang.Deprecated()
    MethodParameters:
      Name  Flags
      prev  

  public void leave(com.oracle.truffle.api.nodes.Node, java.lang.Object);
    descriptor: (Lcom/oracle/truffle/api/nodes/Node;Ljava/lang/Object;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=4, args_size=3
        start local 0 // com.oracle.truffle.api.TruffleContext this
        start local 1 // com.oracle.truffle.api.nodes.Node node
        start local 2 // java.lang.Object prev
         0: .line 275
            getstatic com.oracle.truffle.api.TruffleContext.CONTEXT_ASSERT_STACK:Ljava/lang/ThreadLocal;
            ifnull 2
         1: .line 276
            aload 2 /* prev */
            invokestatic com.oracle.truffle.api.TruffleContext.verifyLeave:(Ljava/lang/Object;)V
         2: .line 278
      StackMap locals:
      StackMap stack:
            invokestatic com.oracle.truffle.api.LanguageAccessor.engineAccess:()Lcom/oracle/truffle/api/impl/Accessor$EngineSupport;
            aload 1 /* node */
            aload 0 /* this */
            getfield com.oracle.truffle.api.TruffleContext.polyglotContext:Ljava/lang/Object;
            aload 2 /* prev */
            invokevirtual com.oracle.truffle.api.impl.Accessor$EngineSupport.leaveInternalContext:(Lcom/oracle/truffle/api/nodes/Node;Ljava/lang/Object;Ljava/lang/Object;)V
         3: .line 279
            goto 6
      StackMap locals:
      StackMap stack: java.lang.Throwable
         4: astore 3 /* t */
        start local 3 // java.lang.Throwable t
         5: .line 280
            aload 3 /* t */
            invokestatic com.oracle.truffle.api.TruffleLanguage$Env.engineToLanguageException:(Ljava/lang/Throwable;)Ljava/lang/RuntimeException;
            athrow
        end local 3 // java.lang.Throwable t
         6: .line 282
      StackMap locals:
      StackMap stack:
            return
        end local 2 // java.lang.Object prev
        end local 1 // com.oracle.truffle.api.nodes.Node node
        end local 0 // com.oracle.truffle.api.TruffleContext this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    7     0  this  Lcom/oracle/truffle/api/TruffleContext;
            0    7     1  node  Lcom/oracle/truffle/api/nodes/Node;
            0    7     2  prev  Ljava/lang/Object;
            5    6     3     t  Ljava/lang/Throwable;
      Exception table:
        from    to  target  type
           0     3       4  Class java.lang.Throwable
    MethodParameters:
      Name  Flags
      node  
      prev  

  private static void verifyEnter(java.lang.Object);
    descriptor: (Ljava/lang/Object;)V
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // java.lang.Object prev
         0: .line 286
            getstatic com.oracle.truffle.api.TruffleContext.$assertionsDisabled:Z
            ifne 1
            getstatic com.oracle.truffle.api.TruffleContext.CONTEXT_ASSERT_STACK:Ljava/lang/ThreadLocal;
            ifnonnull 1
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
         1: .line 287
      StackMap locals:
      StackMap stack:
            getstatic com.oracle.truffle.api.TruffleContext.CONTEXT_ASSERT_STACK:Ljava/lang/ThreadLocal;
            invokevirtual java.lang.ThreadLocal.get:()Ljava/lang/Object;
            checkcast java.util.List
            aload 0 /* prev */
            invokeinterface java.util.List.add:(Ljava/lang/Object;)Z
            pop
         2: .line 288
            return
        end local 0 // java.lang.Object prev
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  prev  Ljava/lang/Object;
    RuntimeVisibleAnnotations: 
      com.oracle.truffle.api.CompilerDirectives$TruffleBoundary()
    MethodParameters:
      Name  Flags
      prev  

  private static void verifyLeave(java.lang.Object);
    descriptor: (Ljava/lang/Object;)V
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=3, locals=3, args_size=1
        start local 0 // java.lang.Object prev
         0: .line 292
            getstatic com.oracle.truffle.api.TruffleContext.$assertionsDisabled:Z
            ifne 1
            getstatic com.oracle.truffle.api.TruffleContext.CONTEXT_ASSERT_STACK:Ljava/lang/ThreadLocal;
            ifnonnull 1
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
         1: .line 293
      StackMap locals:
      StackMap stack:
            getstatic com.oracle.truffle.api.TruffleContext.CONTEXT_ASSERT_STACK:Ljava/lang/ThreadLocal;
            invokevirtual java.lang.ThreadLocal.get:()Ljava/lang/Object;
            checkcast java.util.List
            astore 1 /* list */
        start local 1 // java.util.List list
         2: .line 294
            getstatic com.oracle.truffle.api.TruffleContext.$assertionsDisabled:Z
            ifne 3
            aload 1 /* list */
            invokeinterface java.util.List.isEmpty:()Z
            ifeq 3
            new java.lang.AssertionError
            dup
            ldc "Assert stack is empty."
            invokespecial java.lang.AssertionError.<init>:(Ljava/lang/Object;)V
            athrow
         3: .line 295
      StackMap locals: java.util.List
      StackMap stack:
            aload 1 /* list */
            aload 1 /* list */
            invokeinterface java.util.List.size:()I
            iconst_1
            isub
            invokeinterface java.util.List.get:(I)Ljava/lang/Object;
            astore 2 /* expectedPrev */
        start local 2 // java.lang.Object expectedPrev
         4: .line 296
            getstatic com.oracle.truffle.api.TruffleContext.$assertionsDisabled:Z
            ifne 5
            aload 0 /* prev */
            aload 2 /* expectedPrev */
            if_acmpeq 5
            new java.lang.AssertionError
            dup
            ldc "Invalid prev argument provided in TruffleContext.leave(Object)."
            invokespecial java.lang.AssertionError.<init>:(Ljava/lang/Object;)V
            athrow
         5: .line 297
      StackMap locals: java.lang.Object
      StackMap stack:
            aload 1 /* list */
            aload 1 /* list */
            invokeinterface java.util.List.size:()I
            iconst_1
            isub
            invokeinterface java.util.List.remove:(I)Ljava/lang/Object;
            pop
         6: .line 298
            return
        end local 2 // java.lang.Object expectedPrev
        end local 1 // java.util.List list
        end local 0 // java.lang.Object prev
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0    7     0          prev  Ljava/lang/Object;
            2    7     1          list  Ljava/util/List<Ljava/lang/Object;>;
            4    7     2  expectedPrev  Ljava/lang/Object;
    RuntimeVisibleAnnotations: 
      com.oracle.truffle.api.CompilerDirectives$TruffleBoundary()
    MethodParameters:
      Name  Flags
      prev  

  public void close();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=6, locals=2, args_size=1
        start local 0 // com.oracle.truffle.api.TruffleContext this
         0: .line 317
            aload 0 /* this */
            getfield com.oracle.truffle.api.TruffleContext.closeable:Z
            ifne 2
         1: .line 318
            new java.lang.UnsupportedOperationException
            dup
            ldc "This context instance has no permission to close. Only the original creator of the truffle context or instruments can close."
            invokespecial java.lang.UnsupportedOperationException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 322
      StackMap locals:
      StackMap stack:
            invokestatic com.oracle.truffle.api.LanguageAccessor.engineAccess:()Lcom/oracle/truffle/api/impl/Accessor$EngineSupport;
            aload 0 /* this */
            getfield com.oracle.truffle.api.TruffleContext.polyglotContext:Ljava/lang/Object;
            iconst_0
            aconst_null
            iconst_0
            aconst_null
            invokevirtual com.oracle.truffle.api.impl.Accessor$EngineSupport.closeContext:(Ljava/lang/Object;ZLcom/oracle/truffle/api/nodes/Node;ZLjava/lang/String;)V
         3: .line 323
            goto 6
      StackMap locals:
      StackMap stack: java.lang.Throwable
         4: astore 1 /* t */
        start local 1 // java.lang.Throwable t
         5: .line 324
            aload 1 /* t */
            invokestatic com.oracle.truffle.api.TruffleLanguage$Env.engineToLanguageException:(Ljava/lang/Throwable;)Ljava/lang/RuntimeException;
            athrow
        end local 1 // java.lang.Throwable t
         6: .line 326
      StackMap locals:
      StackMap stack:
            return
        end local 0 // com.oracle.truffle.api.TruffleContext this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    7     0  this  Lcom/oracle/truffle/api/TruffleContext;
            5    6     1     t  Ljava/lang/Throwable;
      Exception table:
        from    to  target  type
           2     3       4  Class java.lang.Throwable
    RuntimeVisibleAnnotations: 
      com.oracle.truffle.api.CompilerDirectives$TruffleBoundary()

  public void closeCancelled(com.oracle.truffle.api.nodes.Node, java.lang.String);
    descriptor: (Lcom/oracle/truffle/api/nodes/Node;Ljava/lang/String;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=6, locals=4, args_size=3
        start local 0 // com.oracle.truffle.api.TruffleContext this
        start local 1 // com.oracle.truffle.api.nodes.Node closeLocation
        start local 2 // java.lang.String message
         0: .line 359
            aload 0 /* this */
            getfield com.oracle.truffle.api.TruffleContext.closeable:Z
            ifne 2
         1: .line 360
            new java.lang.UnsupportedOperationException
            dup
            ldc "This context instance has no permission to close. Only the original creator of the truffle context or instruments can close."
            invokespecial java.lang.UnsupportedOperationException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 364
      StackMap locals:
      StackMap stack:
            invokestatic com.oracle.truffle.api.LanguageAccessor.engineAccess:()Lcom/oracle/truffle/api/impl/Accessor$EngineSupport;
            aload 0 /* this */
            getfield com.oracle.truffle.api.TruffleContext.polyglotContext:Ljava/lang/Object;
            iconst_1
            aload 1 /* closeLocation */
            iconst_0
            aload 2 /* message */
            invokevirtual com.oracle.truffle.api.impl.Accessor$EngineSupport.closeContext:(Ljava/lang/Object;ZLcom/oracle/truffle/api/nodes/Node;ZLjava/lang/String;)V
         3: .line 365
            goto 6
      StackMap locals:
      StackMap stack: java.lang.Throwable
         4: astore 3 /* t */
        start local 3 // java.lang.Throwable t
         5: .line 366
            aload 3 /* t */
            invokestatic com.oracle.truffle.api.TruffleLanguage$Env.engineToLanguageException:(Ljava/lang/Throwable;)Ljava/lang/RuntimeException;
            athrow
        end local 3 // java.lang.Throwable t
         6: .line 368
      StackMap locals:
      StackMap stack:
            return
        end local 2 // java.lang.String message
        end local 1 // com.oracle.truffle.api.nodes.Node closeLocation
        end local 0 // com.oracle.truffle.api.TruffleContext this
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0    7     0           this  Lcom/oracle/truffle/api/TruffleContext;
            0    7     1  closeLocation  Lcom/oracle/truffle/api/nodes/Node;
            0    7     2        message  Ljava/lang/String;
            5    6     3              t  Ljava/lang/Throwable;
      Exception table:
        from    to  target  type
           2     3       4  Class java.lang.Throwable
    RuntimeVisibleAnnotations: 
      com.oracle.truffle.api.CompilerDirectives$TruffleBoundary()
    MethodParameters:
               Name  Flags
      closeLocation  
      message        

  public void closeResourceExhausted(com.oracle.truffle.api.nodes.Node, java.lang.String);
    descriptor: (Lcom/oracle/truffle/api/nodes/Node;Ljava/lang/String;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=6, locals=4, args_size=3
        start local 0 // com.oracle.truffle.api.TruffleContext this
        start local 1 // com.oracle.truffle.api.nodes.Node location
        start local 2 // java.lang.String message
         0: .line 383
            aload 0 /* this */
            getfield com.oracle.truffle.api.TruffleContext.closeable:Z
            ifne 2
         1: .line 384
            new java.lang.UnsupportedOperationException
            dup
            ldc "This context instance has no permission to cancel. Only the original creator of the truffle context or instruments can close."
            invokespecial java.lang.UnsupportedOperationException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 388
      StackMap locals:
      StackMap stack:
            invokestatic com.oracle.truffle.api.LanguageAccessor.engineAccess:()Lcom/oracle/truffle/api/impl/Accessor$EngineSupport;
            aload 0 /* this */
            getfield com.oracle.truffle.api.TruffleContext.polyglotContext:Ljava/lang/Object;
            iconst_1
            aload 1 /* location */
            iconst_1
            aload 2 /* message */
            invokevirtual com.oracle.truffle.api.impl.Accessor$EngineSupport.closeContext:(Ljava/lang/Object;ZLcom/oracle/truffle/api/nodes/Node;ZLjava/lang/String;)V
         3: .line 389
            goto 6
      StackMap locals:
      StackMap stack: java.lang.Throwable
         4: astore 3 /* t */
        start local 3 // java.lang.Throwable t
         5: .line 390
            aload 3 /* t */
            invokestatic com.oracle.truffle.api.TruffleLanguage$Env.engineToLanguageException:(Ljava/lang/Throwable;)Ljava/lang/RuntimeException;
            athrow
        end local 3 // java.lang.Throwable t
         6: .line 392
      StackMap locals:
      StackMap stack:
            return
        end local 2 // java.lang.String message
        end local 1 // com.oracle.truffle.api.nodes.Node location
        end local 0 // com.oracle.truffle.api.TruffleContext this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    7     0      this  Lcom/oracle/truffle/api/TruffleContext;
            0    7     1  location  Lcom/oracle/truffle/api/nodes/Node;
            0    7     2   message  Ljava/lang/String;
            5    6     3         t  Ljava/lang/Throwable;
      Exception table:
        from    to  target  type
           2     3       4  Class java.lang.Throwable
    RuntimeVisibleAnnotations: 
      com.oracle.truffle.api.CompilerDirectives$TruffleBoundary()
    MethodParameters:
          Name  Flags
      location  
      message   
}
SourceFile: "TruffleContext.java"
NestMembers:
  com.oracle.truffle.api.TruffleContext$1  com.oracle.truffle.api.TruffleContext$Builder
InnerClasses:
  public abstract TruffleBoundary = com.oracle.truffle.api.CompilerDirectives$TruffleBoundary of com.oracle.truffle.api.CompilerDirectives
  com.oracle.truffle.api.TruffleContext$1
  public final Builder = com.oracle.truffle.api.TruffleContext$Builder of com.oracle.truffle.api.TruffleContext
  public final Env = com.oracle.truffle.api.TruffleLanguage$Env of com.oracle.truffle.api.TruffleLanguage
  public abstract EngineSupport = com.oracle.truffle.api.impl.Accessor$EngineSupport of com.oracle.truffle.api.impl.Accessor